Genetic engineering 7 / Rigby Peter W.J. 17401 Rigby Peter W.J. 17402 Genetic QK53 .M2 575.1 RIG "Space has been left at the end of each chapter for the insertion by the reader of additional receipts, etc."--Pref. "Errata" slip laid in. USA : Academic Press, c1988. c1988. 1941 Text xi, 127 p. : eng